Tony Roma's - Agana is located in Agana, Guam on 4, Hagåtña,. Tony Roma's - Agana is rated 3 out of 5 in the category american in Guam. Tony Roma's, Legendary for Ribs. Famous for So Much More. Tony Roma's offers a wide variety of culinary deliciousness in a casual dining atmosphere. We are located in the Agana Shopping Center in Hagåtña. Join us for our World Famous Baby Back Ribs, steaks and more. Let’s get saucy!